assume cs:code
code segment
	a db 1,2,3,4,5,6,7,8
	b dw 0
start:
	mov si,0
	mov cx,8
s:
	mov al,a[si]
	mov ah,0
	add b,ax
	inc si
	loop s
	
	mov ax,4c00h
	int 21h
code ends
end start
